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RESEARCH PAPERS

Hydrodynamic Entrance Lengths for Ducts of Arbitrary Cross Section

[+] Author and Article Information
S. T. McComas

Department of Mechanical Engineering, University of Notre Dame, Notre Dame, Ind.

J. Basic Eng 89(4), 847-850 (Dec 01, 1967) (4 pages) doi:10.1115/1.3609713 History: Received February 02, 1967; Online November 03, 2011

Abstract

A general analytical method is presented for determination of the hydrodynamic entrance length of ducts of arbitrary cross section. Only knowledge of the fully developed velocity profile is required in order to determine this length in comparison to other approaches which require a detailed analysis of the flow development. This method is applied to circular, elliptical, annular, rectangular, and triangular ducts with numerical results presented.

Copyright © 1967 by ASME
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